Service difficulty report · Module · Boeing 74747UF

Difficulty date
April 6, 2015
Submitted
April 7, 2015
Operation
Air carrier
Aircraft
N493MC
Make and model
Boeing 74747UF
Aircraft serial
29254
Aircraft time
67,683 hours, 10,739 cycles
Part
Module
Part number
65B4043513
Part serial
D00746
Condition
Failed
Location
Apu
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FOUND APU SHUTDOWN MODULE FUNCTIONAL FAIL. IAW AMM 26-15-04-004-0018-26-15-04-64-008 REV 82 REPLACED APU FIRE SHUTDOWN MODULE. IAW AMM 26-15-04-715-00 & 49-11-00-862-019 REV 82 PERFORMED TEST OF APU & APU EMER SHUTDOWN TEST SATISFACTORY.

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